Figure 4. Average within-firm 90–10 skills gap, skewness, and interquartile range, by median-wage percentile, 1999
| Median-wage percentile |
Average within-firm 90–10 skill gap |
Average within-firm interquartile range |
Average within-firm skewness |
|
5
|
1.985 |
0.26 |
1.589 |
|
10
|
2.335 |
.315 |
1.82 |
|
15
|
2.778 |
.427 |
1.967 |
|
20
|
2.875 |
.574 |
1.619 |
|
25
|
3.2 |
.623 |
1.502 |
|
30
|
3.26 |
.737 |
1.381 |
|
35
|
3.5 |
.807 |
1.138 |
|
40
|
3.53 |
.859 |
.958 |
|
45
|
3.554 |
.883 |
.878 |
|
50
|
3.643 |
1.038 |
.762 |
|
55
|
3.345 |
.994 |
.532 |
|
60
|
3.366 |
1.074 |
.53 |
|
65
|
3.255 |
1.066 |
.393 |
|
70
|
2.956 |
1.137 |
.201 |
|
75
|
3.268 |
1.145 |
-.047 |
|
80
|
3.139 |
1.17 |
-.313 |
|
85
|
3.104 |
1.142 |
-.406 |
|
90
|
3.011 |
1.124 |
-.482 |
|
95
|
3.368 |
1.134 |
-.542 |
|
>95
|
3.239 |
1.14 |
-.858 |